ie8样式测试

src/css/cdssHorizontal.less

@@ -543,7 +543,7 @@
                 }
                 .desc {
                     color: #666;
-                  width: 494px;
+                  width: 420px;
                   overflow: hidden;
                   text-overflow: ellipsis;
                   white-space: nowrap;